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Monthly climate in Rock Port, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rock Port features a humid continental climate (Dfa).Temperatures typically range between -3 °C (27 °F) and 26 °C (79 °F) through the year, but rarely can drop to -31 °C (-24 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 1037 mm (40.8 inches) and receives 102 rainy days on the 1 mm (0.04 inches) threshold annually.Rock Port enjoys an average of 3137 hours of sunshine throughout the year, and daylight varies from 9 hours 19 minutes to 14 hours 59 minutes per day.

Monthly average temperatures in Rock Port, Missouri, United States §

The warmest months in Rock Port are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 1 °C (27 - 34 °F) throughout the day. On average each year, Rock Port experiences 111 days above 25 °C (77.0 °F) and 107 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rock Port, Missouri, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 16°C
(61°F)		 24°C
(75°F)		 29°C
(84°F)		 32°C
(90°F)		 37°C
(99°F)		 40°C
(104°F)		 37°C
(99°F)		 36°C
(96°F)		 35°C
(96°F)		 33°C
(91°F)		 27°C
(81°F)		 23°C
(73°F)
Mean maximum 14°C
(58°F)		 19°C
(66°F)		 24°C
(76°F)		 30°C
(85°F)		 33°C
(91°F)		 35°C
(96°F)		 36°C
(97°F)		 34°C
(94°F)		 34°C
(94°F)		 31°C
(88°F)		 22°C
(72°F)		 17°C
(64°F)
Average high 2°C
(36°F)		 4°C
(39°F)		 12°C
(54°F)		 17°C
(63°F)		 23°C
(75°F)		 30°C
(87°F)		 31°C
(88°F)		 29°C
(85°F)		 27°C
(81°F)		 18°C
(65°F)		 11°C
(52°F)		 7°C
(44°F)
Daily mean -3°C
(27°F)		 -2°C
(28°F)		 6°C
(44°F)		 11°C
(52°F)		 18°C
(65°F)		 25°C
(77°F)		 26°C
(79°F)		 24°C
(76°F)		 21°C
(71°F)		 12°C
(55°F)		 5°C
(42°F)		 1°C
(34°F)
Average low -7°C
(19°F)		 -7°C
(19°F)		 1°C
(34°F)		 5°C
(41°F)		 13°C
(56°F)		 19°C
(67°F)		 21°C
(70°F)		 19°C
(66°F)		 16°C
(61°F)		 7°C
(45°F)		 -0°C
(32°F)		 -4°C
(25°F)
Mean minimum -22°C
(-8°F)		 -20°C
(-4°F)		 -10°C
(14°F)		 -5°C
(23°F)		 5°C
(41°F)		 13°C
(55°F)		 16°C
(60°F)		 12°C
(54°F)		 8°C
(46°F)		 -3°C
(27°F)		 -10°C
(14°F)		 -14°C
(7°F)
Minimum -31°C
(-24°F)		 -31°C
(-24°F)		 -21°C
(-5°F)		 -9°C
(16°F)		 3°C
(37°F)		 10°C
(50°F)		 14°C
(57°F)		 11°C
(51°F)		 6°C
(43°F)		 -6°C
(22°F)		 -15°C
(5°F)		 -22°C
(-8°F)

Compare climate in Rock Port with other places

Compare temperature, precipitation, sunshine, UV index in Rock Port, Missouri, United States with other places around the world.

Monthly average precipitation in Rock Port, Missouri, United States §

Rock Port usually has the most precipitation in May, June and October, with an average of 11 rainy days and 138 mm (5.4 inches) of precipitation per month.The driest months in Rock Port are February, November and December. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rock Port, Missouri, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 36 (1.4) 32 (1.3) 93 (3.7) 77 (3.0) 154 (6.1) 118 (4.6) 105 (4.1) 116 (4.6) 97 (3.8) 142 (5.6) 34 (1.4) 34 (1.3)
Average precipitation days (≥ 1 mm) 5 6 11 10 14 10 8 10 9 10 5 4

Monthly sunshine hours in Rock Port, Missouri, United States §

The sunniest months in Rock Port are June, July and August, when the sun shines an average of 11 hours 26 minutes a day.Least sunny months in Rock Port: January, February and March receive an average of 6 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rock Port, Missouri, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 156 208 215 268 272 350 372 328 284 239 215 224
Mean daily daylight hours 9h 38m 10h 40m 11h 58m 13h 18m 14h 26m 14h 59m 14h 41m 13h 41m 12h 24m 11h 4m 9h 54m 9h 19m

Solar UV radiation in Rock Port, Missouri, United States §

Rock Port experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Rock Port UV Index data.

Average daily maximum UV levels by month for Rock Port, Missouri, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 5 6 9 10 11 10 9 8 6 4 3